For the hottest month of the year at the proposed airport site, the mean of the average daily temperature is 38°C and the mean of the maximum daily temperature is 47°C. If the site is at mean sea-level with a level ground, the actual runway length to be provided is given by _________
(Take standard atmospheric temperature at mean seat level as 15°C)
1
1.09 L
2
1.13 L
3
1.26 L
4
1.43 L